* Dave Hansen <[email protected]> wrote:
> On 07/19/2013 04:38 AM, Raghavendra KT wrote:
> > While measuring non - PLE performance, one of the bottleneck, I am seeing is
> > flush tlbs.
> > perf had helped in alaysing a bit there, but this patch would help
> > in precise calculation. It will aslo help in tuning the PLE window
> > experiments (larger PLE window
> > would affect remote flush TLBs)
>
> Interesting. What workload is that? I've been having problems finding
> workloads that are too consumed with TLB flushes.
Btw., would be nice to also integrate these VM counters into perf as well,
as an instrumentation variant/option.
It could be done in an almost zero overhead fashion using jump-labels I
think.
[ Just in case someone is bored to death and is looking for an interesting
side project ;-) ]
Thanks,
Ingo
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